C++ Institute Exam CPP Topic 6 Question 82 Discussion

Actual exam question for C++ Institute's CPP exam

Question #: 82
Topic #: 6

[All CPP Questions]

What happens when you attempt to compile and run the following code?

#include

using namespace std;

template

class A {

T_v;

public:

A() {}

A(T v): _v(v){}

T getV() { return _v; }

void add(T & a);

void add(string & a);

};

template

void A::add(T & a) { _v+=a; }

void A::add(string & a) {

_v.insert(0, a);

}

int main()

{

Aa("Hello");

string s(" world!");

a.add(s);

cout << a.getV() <

return 0;

}

Aprogram will display: Hello world!

Bcompilation error

Cprogram will display: world!Hello

Dprogram will run without any output

Show Suggested Answer

Suggested Answer: B

by Eric at Apr 21, 2024, 05:21 AM

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Lashaunda

6 months ago

I'm not sure, but I think there might be a compilation error

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Nana

7 months ago

I'm with User 1, I think the program will display: Hello world!

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Herminia

7 months ago

I disagree, I believe there will be a compilation error

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Meaghan

7 months ago

I think the program will display: Hello world!

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Lazaro

8 months ago

Because the add function for string is not defined in the class template.

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Tamera

8 months ago

Why does that happen?

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Lazaro

8 months ago

Template specialization error

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Tamera

8 months ago

What error will be displayed?

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Lazaro

8 months ago

B) compilation error

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